Volume 21 August 6, 1971 Number 32 



COOPERATIVE ECONOMIC INSECT REPORT 



HIGHLIGHTS 



Current Conditions 



CORN EARWORM larval damage expected to increase in Maryland. Larvae heavy on 

 sorghum and moderate on peanuts in Oklahoma. GREENBUG damaged sorghum in 

 Nebraska, increase expected in western and southern Kansas. Heavy on sorghum 

 in Oklahoma, some heavy populations in Texas Panhandle. Controls applied in 

 Colorado. Building up in Pima County, Arizona. POTATO LEAFHOPPER heavy on alfalfa 

 in Virginia and Maryland, building up in Vermont, some yellowing of alfalfa in 

 Wisconsin, (pp. 561-562). 



EUROPEAN CORN BORER potential high for heavy second generation in Minnesota and 

 for damage in Illinois. FALL ARMYWORM troublesome on sorghum in Texas, Oklahoma, 

 and Missouri, and corn in Maryland, (p. 563). 



LESSER CORNSTALK BORER heavy in peanuts in Texas, (p. 566). 



DOUGLAS FIR TUSSOCK MOTH damaging conifers in Washington. JACK PINE SAWFLY 

 damaged pines in Michigan, (pp. 568-569). 



Economic levels of GRASSHOPPERS continue on grasslands in several States. Total 

 of 718,550 acres of rangeland treated in Idaho, (pp. 570-571). 



GYPSY MOTH males trapped in Ohio, North Carolina, and Alabama are considered as 

 regulatory incidences at this time. (p. 571). 



Detection 



New State records include a LONGHORNED BEETLE from Virginia (p. 567) and a 

 SAWFLY from Alabama (p. 569). 



For new county and island records see page 567. 



Special Reports 



State Survey Coordinators, (pp. 574-576). 



Cooperative Survey Entomotogists . (pp. 577-578). 



Reports in this issue are for week ending July 30 unless otherwise indicated. 



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